.hero {
  background: linear-gradient(135deg, rgba(0,255,255,0.5), rgba(255,0,255,0.5), rgba(255,255,0,0.5));
  color: #000;
  text-align: center;
  min-height: 50vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 1rem;
  padding-top: 40px;
}

.hero .btn.btn-dark-round {
  background-color: #000;
  color: #fff;
  border-radius: 25px;
  padding: 10px 20px;
  text-decoration: none;
  font-weight: 600;
  transition: background-color 0.3s ease;
}

.hero .btn.btn-dark-round:hover {
  background-color: #333;
  color: #fff;
}

/* --- FEATURES (CMYK style) --- */
.features h2 {
  text-align: center;
  margin-bottom: 2rem;
  color: #000;
}

.feature-card {
  background-color: #fff;
  border-radius: 15px;
  transition: transform 0.3s, box-shadow 0.3s, border-color 0.3s ease;
  min-height: 280px;
  padding: 2rem;
  text-align: center;
}

.feature-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 12px 25px rgba(0,0,0,0.1);
}

/* CMYK obramowania */
.feature-c:hover { border-color: #00ffff; } /* cyan */
.feature-m:hover { border-color: #ff00ff; } /* magenta */
.feature-y:hover { border-color: #ffff00; } /* yellow */
.feature-k:hover { border-color: #000000; } /* black */

/* Ikony */
.feature-icon {
  font-size: 3rem;
  color: #000;
  margin-bottom: 15px;
}

/* Tekst */
.feature-card h3 {
  font-weight: 600;
  margin-bottom: 15px;
  color: #000;
  font-size: 1.7rem;
}

.feature-card p {
  font-size: 1rem;
  color: #333;
}